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Naily [24]
3 years ago
8

Hi can you please help me ​

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
6 0

Answer:

x = 25

y = 21

Step-by-step explanation:

4x + 10 + 3x - 5 = 180° because these two angles makes a straight line

7x + 5 = 180° subtract 5 from both sides

7x = 175° divide by 7

x = 25

2y + 28 + 4y + 26 = 180° because the sum of these angles is equal to a straight line's measure

6y + 54 = 180° subtract 54 from both sides

6y = 126 divide both sides by 6

y = 21

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43.55 as a mixed number
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Answer:

Improper fraction =871/20

Mixed fraction =43 11/20

Step-by-step explanation:

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3 years ago
Removing which point from the coordinate plane would make the graph a function of X?
lisabon 2012 [21]
You would need to remove (-2, 1)
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4 years ago
A weather service records 28.8 inches of rain over a 12 month period. What is the average rainfall per month for the year?
Basile [38]

Answer:

B) 2.4 inches

Step-by-step explanation:

The total amount of rain is 28.8 inches over 12 months. To find how much rain falls averagely in <em>one </em>month you need to divide the total by the amount of months. 28.8/12 = 2.4

6 0
3 years ago
Find the percentage error |sinθ - θ|/sin(θ)*100 this approximation introduces for an angle of 0. 020 radians.
Elza [17]

Considering the given angle and the given formula, it is found that the percentage error for an angle of 0.02 radians is of 0.0067%.

<h3>What is the percentage angle for an angle?</h3>

For an angle \theta, it is given by the following formula:

P = 100\frac{|\sin{\theta} - \theta|}{\sin{\theta}}

In this problem, the angle is of \theta = 0.02, hence:

P = 100\frac{|\sin{0.02} - 0.02|}{\sin{0.02}}

P = 0.0067

The percentage error for an angle of 0.02 radians is of 0.0067%.

More can be learned about percent error at brainly.com/question/25224978

8 0
2 years ago
A soccer player has made 3 of her last 10 field goals, which is a field goal percentage of 30%. How many more consecutive field
Monica [59]

Answer:

4 consecutive goals

Step-by-step explanation:

If 3 of last 10 field goals = 30%

Which is equivalent to

(Number of goals scored / total games played) * 100%

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Number of consecutive goals one has to score to raise field goal to 50% will be:

Let y = number of consecutive goals

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(3+y) / (10+y) = 0.5

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3+y = 5 + 0.5y

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0.5y = 2

y = 2 / 0.5

y = 4

Therefore, number of consecutive goals needed to raise field goal to 50% = 4

5 0
3 years ago
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